Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 22 43 2009 Feb 27 30 2009 Mar 43 51 2009 Apr 40 61 2009 May 24 36 2009 Jun 23 31 2009 Jul 32 40 2009 Aug 20 28 2009 Sep 33 38 2009 Oct 43 50 2009 Nov 42 66 2009 Dec 29 46 2009 all 316 520